2000221101 has 8 divisors (see below), whose sum is σ = 2963290560. Its totient is φ = 1333480716.

The previous prime is 2000221087. The next prime is 2000221109. The reversal of 2000221101 is 1011220002.

It is not a de Polignac number, because 2000221101 - 2⁹ = 2000220589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000221109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37041105 + ... + 37041158.

It is an arithmetic number, because the mean of its divisors is an integer number (370411320).

Almost surely, 2^2000221101 is an apocalyptic number.

It is an amenable number.

2000221101 is a deficient number, since it is larger than the sum of its proper divisors (963069459).

2000221101 is an equidigital number, since it uses as much as digits as its factorization.

2000221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74082272 (or 74082266 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2000221101 is about 44723.8314660093. The cubic root of 2000221101 is about 1259.9674764848.

Adding to 2000221101 its reverse (1011220002), we get a palindrome (3011441103).

The spelling of 2000221101 in words is "two billion, two hundred twenty-one thousand, one hundred one".